Added the original `tutorial/basic usage` page from the Google Code site.

https://code.google.com/p/python-tokyocabinet/wiki/Tutorial
Renamed README to get the markdown syntax highlighting.
Restructured the organization slighty and add basic Mac OS X install instructions.
Added basic ignore for the repo.
Added monospace callouts for the classes and packages mentioned.
Merge pull request #1 from lenards/master

Added README text from the Tutorial page on the Google Code project